diff --git a/docs.it4i/software/viz/insitu.md b/docs.it4i/software/viz/insitu.md
index 278ec2a4fbe5aa2cb00770404e7470cb324b6041..295c8a812c365d4481da147bde7c796b8bb25a1c 100644
--- a/docs.it4i/software/viz/insitu.md
+++ b/docs.it4i/software/viz/insitu.md
@@ -2,7 +2,7 @@
 
 ## Introduction
 
-In situ visualization is a possibility how to visualize your data during the computation. It is a visualization pipeline that can be used on our [Salomon][1] cluster. The pipeline is based on [ParaView Catalyst][2] library.
+In situ visualization is a possibility how to visualize your data during the computation performed on multiple nodes of a supercomputer. It is a visualization pipeline that can be used on our [Salomon][1] cluster. The pipeline is based on [ParaView Catalyst][2] library.
 
 
 [ParaView][a] is an open-source, multi-platform data analysis and visualization application. ParaView users can quickly build visualizations to analyze their data using qualitative and quantitative techniques. The data exploration can be done interactively in 3D or programmatically using ParaView's batch processing capabilities.
@@ -11,7 +11,7 @@ ParaView was developed to analyze extremely large datasets using distributed mem
 
 ## Installed Version
 
-Currently, version 5.1.2 compiled with intel/2017a against intel MPI library and OSMesa 12.0.2 is installed on the clusters.
+The Catalyst library is part of the ParaView module in version 5.6.0. It has been compiled with intel/2017a and installed on the Salomon cluster.
 
 ## Usage